bug-16651-FixComparisonOfMouseWheelDirectionWhenNoOptionIsSuppliedInConfigurationFile:
Fixes the problem that MouseWheel events are dropped if not scroll direction is supplied in the configuration file.
This is fixed by modifying the IsEqual method of MouseWheelEvent to return equality if the scrolldirection is not specified.

Collection of Bugs targeting to switch old Interactor to new Interaction concepts:
This comprised:
- Removal of unused Interactors (or those which functionality now is included in new DataInteractors)
- Updating the Segmentation Tools
- Replacing the PointSetInteractor